CN215727953U - Titration apparatus convenient for accurate titration control - Google Patents
Titration apparatus convenient for accurate titration control Download PDFInfo
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- CN215727953U CN215727953U CN202121891839.0U CN202121891839U CN215727953U CN 215727953 U CN215727953 U CN 215727953U CN 202121891839 U CN202121891839 U CN 202121891839U CN 215727953 U CN215727953 U CN 215727953U
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Abstract
The utility model belongs to the technical field of chemical analysis articles, and particularly relates to a titration apparatus convenient for accurate titration control, which comprises a pipe body, a pipe joint, a cock and a titration head, wherein the lower end of the pipe body is connected with one end of a titration hose resistant to acid and alkali corrosion through the pipe joint, the titration hose is transversely and fixedly arranged on a support cantilever or a support platform, the other end of the titration hose is downwards connected with the titration head through the pipe joint, the titration hose is provided with the cock, a knob of the cock is arranged in parallel with the support cantilever or the support platform, the support cantilever or the support platform is arranged on a support base through a support upright rod, the support base is provided with a colorimetric card, the support height of the support cantilever or the support platform is adjustable, the titration apparatus has the advantages of compact structure, low cost, simple and effective operation, and convenient accurate control of rotation angle, the endpoint observation and comparison are easy, so that the accuracy of the dropping point analysis is improved.
Description
Technical Field
The utility model belongs to the technical field of chemical analysis articles, and particularly relates to a titration apparatus convenient for accurate titration control.
Background
The burette is a common instrument for determining the composition and content of a compound in chemical analysis, a cock of a common burette is arranged on the side surface of a burette body, when titration is performed, the hand is suspended to turn the cock of the burette, the hand has no force point, the endpoint of titration analysis is not easy to control, when titration is close to the endpoint, a trace amount of standard solution is required to be added, at the moment, the angle of turning the cock is difficult to control to perform half-drop operation, the rotation angle is too small, and liquid can not flow out; the rotation angle is too big, and the speed of liquid outflow is too fast, and the outflow is big, exceeds the terminal point, and on the other hand, when the visual observation terminal point, needs the coordination of hand and eye, because terminal point liquid discolours fastly, and the observation reaction is untimely, then also can cause the outflow to exceed the terminal point, influences analysis result.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a method for analyzing a dropping point, which has the advantages of compact structure, low cost, simple and effective operation, convenient and accurate control of the rotation angle, and easy comparison of the terminal point observation, thereby improving the accuracy of the dropping point analysis.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a titration outfit convenient to accurate titration control, includes body, coupling, cock, titrates the head, the body lower extreme is passed through the coupling is connected with the one end of acid and alkali corrosion resistant burette, the burette is horizontal fixed to be set up on supporting cantilever or supporting platform, just the other end of burette is connected with titrating the head through the coupling downwards, be equipped with on the burette the cock, the knob of cock with supporting cantilever or supporting platform parallel arrangement, supporting cantilever or supporting platform set up on supporting the base through supporting the pole setting, be provided with the colorimetric card on the supporting base, supporting cantilever or supporting platform's support height-adjustable.
Further, the titration hose is a polytetrafluoroethylene tube or a hose with a polytetrafluoroethylene layer on the inner wall.
Furthermore, a magnetic stirrer is arranged on the supporting base corresponding to the titration head and used for automatically shaking and homogenizing the reaction liquid in the reagent bottle.
Further, the supporting cantilever or the supporting platform is made of transparent materials, so that the reaction condition in the reagent bottle can be observed conveniently.
Further, be equipped with the arc recess of fixed buret hose on support cantilever or the supporting platform, the arc recess is equipped with the through-hole that can hold the cock free rotation corresponding to the cock position, and the arc recess is convenient for hold the bottom of fixed buret, and the design of through-hole is avoided producing frictional resistance with the holding surface when rotating the cock.
Furthermore, angle scales are arranged on the supporting platform around the cock in the circumferential direction, so that the rotation angle of the cock can be observed conveniently.
Furthermore, the support cantilever is located the cock position is provided with than the pair board, it is provided with the angle scale to compare to go up circumference on the board, is convenient for observe the rotation angle of cock.
Furthermore, the support cantilever comprises a long arm and a short arm, the long arm and the short arm are connected through a multidirectional hinge mechanism, and the multidirectional hinge mechanism is provided with a multidirectional locking mechanism.
Furthermore, the support pole setting is provided with threads, the support cantilever is slidably sleeved on the support pole setting through a through hole arranged at the end part, and the support pole setting is positioned on the upper surface and the lower surface of the support cantilever and is fixedly supported by nuts of the support cantilever in a threaded connection mode.
Further, the pipe joint is a 90-degree elbow.
In the utility model, the lower end of the tube body is connected with one end of the acid and alkali corrosion resistant titration hose through the tube joint, the titration hose is transversely and fixedly arranged on the support cantilever or the support platform, and the knob of the titration cock is arranged in parallel with the support cantilever or the support platform, so that a palm can be supported on the support cantilever or the support platform during titration, the palm is stressed, the force for twisting the cock and the rotation angle of the cock are conveniently controlled during operation, the colorimetric card is arranged on the base, the endpoint comparison is easy, the support height of the support cantilever or the support platform is adjustable, and the support height is adjusted according to the operation habit and the shape and size of the reagent bottle.
In the present invention, because the titration analysis needs to compare standard samples and calculate the sample results, the titration analysis of the standard samples and the titration analysis of the samples to be measured need to be performed under the same conditions during the titration analysis, before the titration, the titration solution is injected into the tube body to fill the titration hose and the titration head, and after the titration, the volumes of the titration solutions for the titration of the standard samples and the titration solutions for the samples to be measured are recorded respectively for comparison analysis.
Has the advantages that: the utility model has the advantages of compact structure, low cost, simple and effective operation, convenient and accurate control of the rotation angle and easy terminal observation and comparison, thereby improving the accuracy of the drop point analysis.
Drawings
The specific structure of the application is given by the following figures and examples:
FIG. 1: the structure of embodiment 1 of the utility model is schematically shown;
FIG. 2: the schematic view of the installation structure of the titration hose and the supporting platform in embodiment 1 of the utility model;
FIG. 3: the structural schematic diagram of the supporting platform in the embodiment 1 of the utility model;
FIG. 4: the schematic view of the mounting structure of the support cantilever in embodiment 2 of the present invention.
In the figure: 1. the device comprises a pipe body, a pipe joint 2, a titration head 3, a colorimetric card 4, a supporting platform 5, a magnetic stirrer 6, a supporting cantilever 7, a titration hose 11 and a titration hose 12.Cock51 supporting upright rod, 52 supporting base, 53 arc groove, 54 through hole and 71 long arm72, short arm, 73, nut, 121, knob, 122.Angle scaleAnd 123. compare the plates.
Detailed Description
The following is a detailed description of the present invention for further explanation. The utility model is not limited to the claims, and all equivalent structures or equivalent processes that can be directly or indirectly applied to other related technical fields using the contents of the specification and the drawings are included in the scope of the utility model.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout of the drawings in the specification, such as: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction in the drawings of the specification.
Embodiment 1, referring to fig. 1, fig. 2, and fig. 3, a titration apparatus convenient for accurate titration control includes a pipe body 1, a pipe joint 2, a cock 12, and a titration head 3, a lower end of the pipe body 1 is connected to one end of an acid-base corrosion resistant titration hose 11 through the pipe joint 2, the titration hose 11 is transversely and fixedly disposed on a support platform 5, and the other end of the titration hose 11 is connected to the titration head 3 downward through the pipe joint, the titration hose 11 is provided with the cock 12, a knob 121 of the cock 12 is disposed in parallel with the support platform 5, the support platform 5 is disposed on a support base 52 through a support upright rod 51, the support base 52 is provided with a colorimetric card 4, and a support height of the support platform 5 is adjustable.
The titration hose 11 is a polytetrafluoroethylene tube, a magnetic stirrer 6 is arranged on the support base 52 corresponding to the titration head 3 and used for automatically shaking and homogenizing the reaction liquid in the reagent bottle, and the support platform 5 is made of transparent materials and is convenient for observing the reaction condition in the reagent bottle.
The support platform 5 is provided with an arc-shaped groove 53 for fixing the titration hose 11, a through hole 54 which can accommodate the free rotation of the cock 12 is arranged at the position of the arc-shaped groove 53 corresponding to the cock 12, the arc-shaped groove 53 is convenient for accommodating the bottom of the titration hose 11, and the through hole 54 is designed to avoid the friction resistance with the support surface when the cock 12 is rotated.
The support platform 5 is provided with angle scales 122 around the circumference of the cock 12, so that the rotation angle of the cock 12 can be observed conveniently.
In the utility model, the lower end of the tube body 1 is connected with one end of an acid-base corrosion resistant titration hose 11 through the tube joint 2, the titration hose 11 is transversely and fixedly arranged on a supporting platform 5, and a knob of the titration cock is arranged in parallel with the supporting platform, so that a palm can be supported on the supporting platform during titration, the palm is stressed, the force for twisting the cock 12 and the rotation angle of the cock 12 are conveniently controlled during operation, the colorimetric card 4 is arranged on the supporting base 52, the endpoint comparison is easy, the supporting height of the supporting platform 5 is adjustable, and the supporting height is adjusted according to the operation habit and the shape and size of a reagent bottle.
In the present invention, since the titration analysis requires comparison analysis using a standard sample and calculation of the sample result, the titration analysis of the standard sample and the titration analysis of the sample to be measured need to be performed under the same condition during the titration analysis, the titration solution is injected into the tubular body 1 to fill the titration tube 11 and the titration head 3 before titration, and the volumes of the titration solutions used for titration of the standard sample and the sample to be measured are recorded after titration for comparison analysis.
Embodiment 2, with reference to fig. 4, differs from embodiment 1 in that the titration hose 11 is transversely and fixedly disposed on the support cantilever 8, the support cantilever 8 is provided with a pair of plates 123 at the position of the cock 12, an angle scale 122 is circumferentially disposed on the pair of plates 123 for facilitating observation of the rotation angle of the cock 12, the support cantilever 7 includes a long arm 71 and a short arm 72, the long arm 71 and the short arm 72 are connected by a multi-directional hinge mechanism, and the multi-directional hinge mechanism is provided with a multi-directional locking mechanism.
The support pole set 51 is provided with threads, the support cantilever 7 is slidably sleeved on the support pole set 51 through a through hole arranged at the end part, the support pole set 51 is provided with a fixed support, the upper surface and the lower surface of the support cantilever 7 are both in threaded connection with a nut 73 of the support cantilever 7, and the pipe joint 2 is a 90-degree elbow.
Claims (9)
1. The titration apparatus convenient for accurate titration control comprises a pipe body, a pipe joint, a cock and a titration head, wherein the lower end of the pipe body is connected with one end of a titration hose resistant to acid and alkali corrosion through the pipe joint, the titration hose is transversely and fixedly arranged on a support cantilever or a support platform, the other end of the titration hose is downwards connected with the titration head through the pipe joint, the titration hose is provided with the cock, a knob of the cock is arranged in parallel with the support cantilever or the support platform, the support cantilever or the support platform is arranged on a support base through a support vertical rod, the support base is provided with a colorimetric card, and the support height of the support cantilever or the support platform is adjustable.
2. The titration apparatus for facilitating accurate titration control according to claim 1, wherein the titration hose is a polytetrafluoroethylene tube or a hose having an inner wall provided with a polytetrafluoroethylene layer.
3. The titration apparatus for facilitating accurate titration control according to claim 1, wherein a magnetic stirrer is disposed on the support base at a position corresponding to the titration head.
4. A titration device according to any one of claims 1-3, wherein the support arm or platform is made of a transparent material.
5. The titration apparatus according to claim 4, wherein the support cantilever or the support platform is provided with an arc-shaped groove for fixing the titration hose, and the arc-shaped groove is provided with a through hole for allowing the cock to rotate freely corresponding to the position of the cock.
6. A titration device according to claim 1, wherein the support platform is provided with angular graduations around the circumference of the tap.
7. The titration device according to claim 1, wherein the support cantilever is provided with a pair of plates at the cock position, the pair of plates being circumferentially provided with angular graduations.
8. The titration device according to claim 7, wherein the support cantilever comprises a long arm and a short arm, the long arm and the short arm are connected by a multi-directional hinge mechanism, and the multi-directional hinge mechanism is provided with a multi-directional locking mechanism.
9. The titration apparatus according to claim 7 or 8, wherein the supporting vertical rod is provided with a screw thread, the supporting cantilever is slidably sleeved on the supporting vertical rod through a through hole provided at an end of the supporting cantilever, and nuts for fixedly supporting the supporting cantilever are screwed on both the upper and lower surfaces of the supporting cantilever on the supporting vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121891839.0U CN215727953U (en) | 2021-08-13 | 2021-08-13 | Titration apparatus convenient for accurate titration control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121891839.0U CN215727953U (en) | 2021-08-13 | 2021-08-13 | Titration apparatus convenient for accurate titration control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215727953U true CN215727953U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121891839.0U Active CN215727953U (en) | 2021-08-13 | 2021-08-13 | Titration apparatus convenient for accurate titration control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215727953U (en) |
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2021
- 2021-08-13 CN CN202121891839.0U patent/CN215727953U/en active Active
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